Probably he is half starved and on a small ration of water but even so can he make it last till the US? He is not even bound to the Caribbean but to US mainland, to St Augustine. I believe the only thing that keeps him going is dreaming with this boat:
while he is sailing this one!!!! Probably he is going to take almost the same time on that Atlantic crossing as the sailors of the Vendee Globe take for a full circumnavigation...and he is one of them, having already made one Vendee. I hope that after all this misery (I heard that he was badly bruised by the salt and by being always seated on the same position) he can get that Open 60 for the next vendee. If not there is no justice in this world.
Let me remind you that the voyage to St. Augustine is only half of this project. After that he has to bring the boat back home: